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@ARTICLE{Rostek:878391,
      author       = {Rostek, A. and Loza, K. and Heggen, M. and Epple, M.},
      title        = {{X}-ray powder diffraction to analyse bimetallic
                      core–shell nanoparticles (gold and palladium; 7–8 nm)},
      journal      = {RSC Advances},
      volume       = {9},
      number       = {46},
      issn         = {2046-2069},
      address      = {London},
      publisher    = {RSC Publishing},
      reportid     = {FZJ-2020-02827},
      pages        = {26628 - 26636},
      year         = {2019},
      abstract     = {A comparative X-ray powder diffraction study on
                      poly(N-vinyl pyrrolidone) (PVP)-stabilized palladium and
                      gold nanoparticles and bimetallic Pd–Au nanoparticles
                      (both types of core–shell nanostructures) was performed.
                      The average diameter of Au and Pd nanoparticles was 5 to 6
                      nm. The two types of core–shell particles had a core
                      diameter of 5 to 6 nm and an overall diameter of 7 to 8 nm,
                      i.e. a shell thickness of 1 to 2 nm. X-ray powder
                      diffraction on a laboratory instrument was able to
                      distinguish between a physical mixture of gold and palladium
                      nanoparticles and bimetallic core–shell nanoparticles. It
                      was also possible to separate the core from the shell in
                      both kinds of bimetallic core–shell nanoparticles due to
                      the different domain size and because it was known which
                      metal was in the core and which was in the shell. The
                      spherical particles were synthesized by reduction with
                      glucose in aqueous media. After purification by multiple
                      centrifugation steps, the particles were characterized with
                      respect to their structural, colloid-chemical, and
                      spectroscopic properties, i.e. particle size, morphology,
                      and internal elemental distribution. Dynamic light
                      scattering (DLS), differential centrifugal sedimentation
                      (DCS), atomic absorption spectroscopy (AAS),
                      ultraviolet-visible spectroscopy (UV-vis), high-angle
                      annular dark field imaging (HAADF), and energy-dispersed
                      X-ray spectroscopy (EDX) were applied for particle
                      characterization.},
      cin          = {ER-C-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)
                      / DFG project 286659497 - Bimetallische Nanopartikel der
                      Platinmetalle (Ru, Rh, Pd, Os, Ir, Pt) und des Silbers:
                      Synthese, Mikrostruktur und biologische Wirkung (286659497)},
      pid          = {G:(DE-HGF)POF3-143 / G:(GEPRIS)286659497},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000483739800014},
      doi          = {10.1039/C9RA05117A},
      url          = {https://juser.fz-juelich.de/record/878391},
}